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Subtract 9/24 from 8/70

8/70 - 9/24 is -73/280.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 24 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 70 × 12 = 840,
    8/70 = 8 × 12/70 × 12 = 96/840
  3. Likewise, for the 2nd fraction, since 24 × 35 = 840,
    9/24 = 9 × 35/24 × 35 = 315/840
  4. Subtract the two like fractions:
    96/840 - 315/840 = 96 - 315/840 = -219/840
  5. After reducing the fraction, the answer is -73/280

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